1 files changed, 3 insertions, 0 deletions

diff --git a/net/dsa/switch.c b/net/dsa/switch.c
index 4ec5b7f85d51..09d9286b27cc 100644
--- a/net/dsa/switch.c
+++ b/net/dsa/switch.c
@@ -153,6 +153,9 @@ static void dsa_switch_mdb_add_bitmap(struct dsa_switch *ds,
 {
         int port;
 
+        if (!ds->ops->port_mdb_add)
+                return;
+
         for_each_set_bit(port, bitmap, ds->num_ports)
                 ds->ops->port_mdb_add(ds, port, mdb);
 }